[Update 1.5.0]
[All versions]
1) updated light and shadow,
2) updated scary system,
3) updated post process,
4) updated textures,
5) updated shaders,
6) updated effects,
7) updated save system,
8) added test voice,
9) added new item,
10) added developer room,
11) added game launcher.

FPS grew up due to good optimization, which allowed him to play the game on a more or less weak gland.